Echo most commonly refers to Echo , a reflection (and/or repetition) of sound.

It may also refer to:

Computing

• Echo , a Unix, DOS and Microsoft Windows command to display a line of text
• Echo , a web framework for Java programming
• ECHO protocol, an internet protocol
• A discussion forum on FidoNet

Fiction and mythology

• Echo , a nymph
• Echo , a character in the Marvel universe
• Echo , a 2003 short film directed by Tom Oesch
• Secrets of the Lost Cavern, a video game
• A race of aliens from the UK TV series Invasion Earth

Music

• "Echo"
• Echo , a reggaeton producer
• Echo
• Echo
• ECHO
• The Echo
• Echo Records, a record label
• Echo & the Bunnymen, a band

Newspapers

• The Echo , based in Dublin, Ireland
• The Byron Shire Echo, based in Byron Bay, Australia
• The Irish Echo, based in New York City
• The Liverpool Echo, based in Liverpool, England
• The Northern Echo, based in Darlington, England
• South Wales Echo, based in Cardiff, Wales
• Echo Weekly, based in Kitchener, Ontario

Places

• Echo, Minnesota
• Echo, Oregon
• Echo, Aragón, Spain
• Echo Lake, Washington
• Echo Township, Michigan
• Echo Township, Minnesota

Science and technology

• Echo class submarine, used by the Soviet Navy
• Echo satellite, one of the first communications satellites
• Echo sounding, a way to measure water depth
• Echocardiography, an imaging technique used to assess heart function
• Echovirus, short for "enteric cytopathic human orphan" virus
• Light echo, a visual phenomenon
• Signal reflection, a concept in telecommunications

Other uses

• ECHO , a department of the European Union
• Echo Outdoor Power Equipment, a landscaping and forestry tool manufacturer
• Echo Johnson, a model and actress
• Extended Care Health Option, a health coverage program
• 60 Echo, an asteroid
• Toyota Echo, a car
• Poetic echo, a device used by John Milton and Adriano Bulla
• A letter in the NATO phonetic alphabet

See also

• Echoes
• Ecko

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